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authorJ. Bruce Fields <bfields@redhat.com>2017-01-09 17:15:18 -0500
committerJ. Bruce Fields <bfields@redhat.com>2017-01-12 15:56:14 -0500
commit78794d1890708cf94e3961261e52dcec2cc34722 (patch)
treeade1523bd1d3ebd2dc14e46676d496a2df16f116 /net
parentdcd208697707b12adeaa45643bab239c5e90ef9b (diff)
svcrpc: don't leak contexts on PROC_DESTROY
Context expiry times are in units of seconds since boot, not unix time. The use of get_seconds() here therefore sets the expiry time decades in the future. This prevents timely freeing of contexts destroyed by client RPC_GSS_PROC_DESTROY requests. We'd still free them eventually (when the module is unloaded or the container shut down), but a lot of contexts could pile up before then. Cc: stable@vger.kernel.org Fixes: c5b29f885afe "sunrpc: use seconds since boot in expiry cache" Reported-by: Andy Adamson <andros@netapp.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'net')
-rw-r--r--net/sunrpc/auth_gss/svcauth_gss.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
index 886e9d381771..153082598522 100644
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -1489,7 +1489,7 @@ svcauth_gss_accept(struct svc_rqst *rqstp, __be32 *authp)
case RPC_GSS_PROC_DESTROY:
if (gss_write_verf(rqstp, rsci->mechctx, gc->gc_seq))
goto auth_err;
- rsci->h.expiry_time = get_seconds();
+ rsci->h.expiry_time = seconds_since_boot();
set_bit(CACHE_NEGATIVE, &rsci->h.flags);
if (resv->iov_len + 4 > PAGE_SIZE)
goto drop;